91773 ZIP Code — San Dimas, CA
Los Angeles County, California
ZIP code 91773 is located in San Dimas, California, within Los Angeles County. It covers approximately 14.98 square miles and serves a population of 34,066 residents. This is a standard ZIP code in the Pacific (PT) timezone, served by area code 909.
About ZIP code 91773
The housing stock consists of a mix of housing types. Most homes were built in the 1970s, giving the area an established character. Median home value is $714,400. Owner-occupancy sits near the national average at 71%.
The gap between median ($101,466) and mean household income suggests income inequality — a small number of higher earners pull the average up. 34% of households receive Social Security income, suggesting a notable retiree or disability population.
The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 32 minutes is near the national average.
Educational attainment is near the national average, with 38% of residents holding a bachelor's degree or higher.
34,066
population
14.98
sq mi land
Standard
ZIP type
Pacific (PT)
timezone
91773 ZIP code map
Cities in ZIP code 91773
Below are the cities the US Postal Service accepts for ZIP code 91773. Using any city not on this list may result in mail delivery delays.
| City | Status |
|---|---|
| San Dimas | Preferred |
Nearby ZIP codes
91740 Glendora (1.9 mi)
91741 Glendora (3.1 mi)
91724 Covina (3.3 mi)
91768 Pomona (3.8 mi)
91750 La Verne (4.1 mi)
91723 Covina (4.8 mi)
91767 Pomona (4.9 mi)
91722 Covina (5.6 mi)
91791 West Covina (5.6 mi)
91711 Claremont (5.7 mi)
91702 Azusa (5.9 mi)
91766 Pomona (6.1 mi)
Demographics
updated 06/2026
| Population | |
|---|---|
| Total population | 34,066 |
| Population density | 2,274 / sq mi |
| State FIPS | 06 |
| County FIPS | 037 |
| Geography | |
|---|---|
| Land area | 14.98 sq mi |
| Water area | 0.39 sq mi |
| Latitude | 34.1154 |
| Longitude | -117.8130 |
| Timezone | Pacific (PT) |
| Area code | 909 |
Total population by age
Gender
Race & ethnicity
Economics
updated 06/2026
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 26.9% | 36.2% | 32.6% |
| $50k – $100k | 27.0% | 28.2% | 27.7% |
| $100k – $200k | 32.3% | 24.5% | 26.4% |
| Over $200k | 13.8% | 11.0% | 13.3% |
Demographics & statistics
34,066
Population
2,274
People per sq mi
42.7
Median age
$101,466
Median household income
$46,643
Per capita income
$714,400
Median home value
$2,202
Median monthly rent
70.6%
Home ownership
9.4%
Poverty rate
5.3%
Unemployment
8,819
Housing units
38.1%
Bachelor's or higher
Age distribution
Male
Female
836
Under 5
909
891
5–9
968
1,003
10–14
1,091
918
15–19
997
826
20–24
897
2,115
25–34
2,298
1,916
35–44
2,083
2,350
45–54
2,554
1,285
55–59
1,397
1,235
60–64
1,342
1,714
65–74
1,864
955
75–84
1,038
280
85+
305
← Male
Female →
Age summary
| Group | Count | % |
|---|---|---|
| Under 18 | 6,833 | 20.1% |
| 18 and over | 27,233 | 79.9% |
| 65 and over | 6,155 | 18.1% |
| Median age | 42.7 years | |
Race & ethnicity
White
44%
Hispanic or Latino
17.8%
Two or more races
14.8%
Asian
13.1%
Other race
6.7%
Black or African American
2.7%
American Indian / Alaska Native
0.7%
Native Hawaiian / Pacific Islander
0.2%
| Group | Count | % |
|---|---|---|
| White | 18,242 | 44% |
| Hispanic or Latino | 7,373 | 17.8% |
| Two or more races | 6,140 | 14.8% |
| Asian | 5,433 | 13.1% |
| Other race | 2,767 | 6.7% |
| Black or African American | 1,100 | 2.7% |
| American Indian / Alaska Native | 308 | 0.7% |
| Native Hawaiian / Pacific Islander | 76 | 0.2% |
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 26.9% | 36.2% | 32.6% |
| $50k – $100k | 27.0% | 28.2% | 27.7% |
| $100k – $200k | 32.3% | 24.5% | 26.4% |
| Over $200k | 13.8% | 11.0% | 13.3% |
Under $10k
3.9%
$10k–$15k
1.7%
$15k–$25k
5.6%
$25k–$35k
5.7%
$35k–$50k
9.4%
$50k–$75k
11.1%
$75k–$100k
12.4%
$100k–$150k
18.5%
$150k–$200k
12.0%
$200k+
19.7%
| Range | % of households |
|---|---|
| Under $10k | 3.9% |
| $10k–$15k | 1.7% |
| $15k–$25k | 5.6% |
| $25k–$35k | 5.7% |
| $35k–$50k | 9.4% |
| $50k–$75k | 11.1% |
| $75k–$100k | 12.4% |
| $100k–$150k | 18.5% |
| $150k–$200k | 12.0% |
| $200k+ | 19.7% |
| Median income | $101,466 |
Housing
Home values
Under $50k
3.7%
$50k–$100k
3.3%
$100k–$150k
1.6%
$150k–$200k
1.5%
$200k–$300k
2.3%
$300k–$500k
7.4%
$500k–$1M
67.3%
$1M+
12.9%
Housing overview
| Metric | Value |
|---|---|
| Median home value | $714,400 |
| Median rent / month | $2,202 |
| Owner occupied | 70.6% |
| Renter occupied | 29.4% |
| Vacant | 3.3% |
| Single-family detached | 60.6% |
| Large apartment buildings | 7.2% |
| Mobile homes | 9.2% |
| Median rooms | 5.8 |
| Avg household size (owned) | 2.83 |
Year built
| Era | % |
|---|---|
| 2020 or later | 0.2% |
| 2010–2019 | 3.5% |
| 2000–2009 | 4.2% |
| 1990–1999 | 6.9% |
| 1980–1989 | 20.7% |
| 1970–1979 | 31.7% |
| 1960–1969 | 15.8% |
| 1950–1959 | 9.9% |
| 1940–1949 | 1.8% |
| 1939 or earlier | 5.3% |
Bedrooms
| Size | % of units |
|---|---|
| No bedroom (studio) | 4.0% |
| 1 bedroom | 5.7% |
| 2 bedrooms | 25.0% |
| 3 bedrooms | 34.8% |
| 4 bedrooms | 24.7% |
| 5+ bedrooms | 5.8% |
Vehicles per household
| Vehicles | % of households |
|---|---|
| No vehicle | 3.4% |
| 1 vehicle | 26.6% |
| 2 vehicles | 38.6% |
| 3 or more | 31.5% |
Heating fuel
| Fuel type | % |
|---|---|
| Utility gas | 78.9% |
| Electricity | 18.9% |
| Propane / LP gas | 1.3% |
| Fuel oil | 0.1% |
| Solar | 0.2% |
| No fuel used | 0.6% |
Households & families
| Household type | Count | % |
|---|---|---|
| Married-couple family | 6,551 | 55.0% |
| Cohabiting couple | 770 | 6.5% |
| Male householder, no spouse | 1,563 | 13.1% |
| Female householder, no spouse | 3,026 | 25.4% |
| Households with children under 18 | 3,761 | 31.6% |
| Households with seniors (65+) | 4,452 | 37.4% |
| Average household size | 2.80 | |
Marital status
| Status | Male | Female |
|---|---|---|
| Never married | 31.6% | 26.5% |
| Married | 54.7% | 49.6% |
| Separated | 2.2% | 1.0% |
| Widowed | 2.0% | 11.3% |
| Divorced | 9.4% | 11.6% |
Education
Less than 9th grade
2.6%
Some HS, no diploma
3.8%
HS graduate
20.2%
Some college, no degree
25.0%
Associate's degree
10.5%
Bachelor's degree
22.9%
Graduate / professional
15.2%
| Metric | % |
|---|---|
| HS diploma or higher | 93.7% |
| Bachelor's or higher | 38.1% |
School enrollment (ages 3–17)
| Type | Count | % |
|---|---|---|
| Nursery / preschool | 660 | 8.0% |
| Kindergarten | 293 | 3.6% |
| Elementary school | 3,030 | 36.9% |
| High school | 1,628 | 19.8% |
| College / grad school | 2,599 | 31.7% |
Employment
Industry of employment
Education & healthcare
25.9%
Professional & management
11.3%
Manufacturing
10.3%
Retail trade
9.5%
Construction
7.2%
Finance & real estate
6.8%
Other services
5.4%
Public administration
5.4%
Wholesale trade
5.3%
Arts, food & hospitality
5.3%
Transportation & utilities
4.3%
Information
2.8%
Agriculture & mining
0.6%
Occupation
| Category | % |
|---|---|
| Management, business & arts | 46.1% |
| Service | 12.9% |
| Sales & office | 23.6% |
| Natural resources & construction | 8.3% |
| Production & transportation | 9.2% |
Employment type
| Type | % |
|---|---|
| Private sector | 76.0% |
| Government | 17.4% |
| Self-employed | 6.3% |
| Unpaid family workers | 0.2% |
Commute
| Method | % |
|---|---|
| Drive alone | 73.1% |
| Carpool | 10.2% |
| Public transit | 1.0% |
| Walk | 0.9% |
| Work from home | 14.1% |
| Other means | 0.7% |
| Avg commute (minutes) | 31.8 |
Poverty
All people
9.4%
Under 18 years
11.0%
18 and over
8.9%
Married-couple families
3.1%
Female-led households
14.6%
Income support
| Source | % of households |
|---|---|
| Social Security | 33.8% |
| Retirement income | 25.8% |
| Supplemental Security | 3.1% |
| Cash public assistance | 2.4% |
| Food stamps / SNAP | 4.1% |
Health indicators
| Condition | % |
|---|---|
| Obesity | 26.3% |
| High blood pressure | 27.3% |
| High cholesterol | 30.3% |
| Diabetes | 9.1% |
| Heart disease | 5.4% |
| Stroke | 2.6% |
| Asthma | 8.8% |
| Arthritis | 19.4% |
| Kidney disease | 2.7% |
| Pulmonary disease | 5.3% |
| Cancer | 6.4% |
| Behavior / access | % |
|---|---|
| Smoking | 8.9% |
| Binge drinking | 17.5% |
| No physical activity | 16.9% |
| Less than 7 hrs sleep | 30.6% |
| Depression | 16.7% |
| Fair or poor health | 12.1% |
| Poor mental health | 14.0% |
| Poor physical health | 9.0% |
| No health insurance | 10.6% |
| Visited doctor (checkup) | 65.8% |
| Visited dentist | 68.5% |
| Cholesterol screening | 93.0% |
| Teeth loss | 7.9% |
Veterans & disability
| Veterans | Count | % |
|---|---|---|
| Civilian veterans | 1,543 | 5.7% |
| Disability | % |
|---|---|
| Any disability | 14.6% |
| Under 18 | 2.5% |
| 18–64 years | 12.4% |
| 65 and over | 35.8% |
Health insurance coverage
| Type | % |
|---|---|
| Private insurance | 71.1% |
| Public insurance | 32.7% |
| No insurance | 6.2% |
| Uninsured under 19 | 2.2% |
Language & origin
Language spoken at home (age 5+)
| Language | Count | % |
|---|---|---|
| English only | 32,321 | 94.9% |
| Spanish | 3,011 | 9.3% |
| Other Indo-European | 1,027 | 3.2% |
| Asian & Pacific Islander | 142 | 0.4% |
| Other languages | 1,698 | 5.3% |
Place of birth & citizenship
| Origin | Count | % |
|---|---|---|
| Native born (US) | 27,224 | 79.9% |
| Born in same state | 26,843 | 78.8% |
| Born in different state | 22,532 | 66.1% |
| Foreign born | 381 | 1.1% |
| Naturalized citizen | 6,842 | 20.1% |
| Not a US citizen | 4,959 | 72.5% |
Ancestry
| Ancestry | Count | % |
|---|---|---|
| French | 2,398 | 7% |
| Italian | 2,393 | 7% |
| Arab | 682 | 2% |
| Polish | 350 | 1% |
| English | 192 | 0.6% |
| Ancestry | Count | % |
|---|---|---|
| Dutch | 144 | 0.4% |
| German | 117 | 0.3% |
| Norwegian | 41 | 0.1% |
| Irish | 29 | 0.1% |
Technology access
| Metric | % of households |
|---|---|
| Computer access | 35.0% |
| Internet access | 94.3% |
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 91773
What city is ZIP code 91773 in?
ZIP code 91773 is primarily assigned to San Dimas, California.
What county is ZIP code 91773 in?
ZIP code 91773 falls within Los Angeles County, California.
What is the typical home value in ZIP code 91773?
The median home value in ZIP code 91773 is $714,400.
What is the population of ZIP code 91773?
ZIP code 91773 has an estimated population of 34,066 residents, with a density of 2,275 people per square mile.
What is the median household income in ZIP code 91773?
The median household income in ZIP code 91773 is $101,466, above the national median of ~$75,000.
What timezone is ZIP code 91773 in?
ZIP code 91773 observes the PST timezone.